New Delhi, June 17 : For further investigation in Aarushi murder case, the Central Bureau of Investigation (CBI) court at Ghaziabad today remanded dentist Rajesh Talwar's compounder Krishna to six days of CBI custody.

On Monday he was taken to Noida where fresh searches were conducted to trace the mobile phone of Aarushi and domestic help Hemraj. He was on remand for the past three days, which ended today therefore; the CBI demanded its extension.

The CBI team is also scanning the house of Durrani who is the family friend of Talwars.

The CBI had arrested Krishna on the basis of reports of polygraph test and narco-analysis test conducted on him at the Forensic Sciences Laboratory in Bangalore on June 12.

On May 23, the police arrested Rajesh Talwar, an accused of killing his daughter Aarushi and his domestic help Hemraj. (ANI)